Collapsible core-barrel



Patented Nov. I, |898.

T. E. Munms. COLLAPSIBLE CORE BARREL.

(Appcation led Nov. 23, 1897.) (No Model.)

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@MWh/mo UNITED STATES PATENT OFFICE.

THOMAS E. MORRIS, OF NEWCOMERSTOWN, OHIO, ASSIGNOR OF THREE- FOURTHS TO ELI E. LINDSAY AND JOSEPH M. MILLER, OF SAME PLACE, AND S. B. CHANDLER, OF NEWPORT NEWS, VIRGINIA.

coLLAPslBLl-z CORE-BARREL.

SPECIFICATION forming part of Letters Patent No. 613,524, dated November 1, 1898.

Application filed November 23, 1897. Serial No. 659,601. (No model.)

To all whom it may concern:

Be it known that I, THOMAS E. MORRIS, a citizen of the United States, residing at Newcomerstown, in the county of Tuscarawas and Stat-e of Ohio, have invented certain new and useful Improvements in Collapsible Core-Barrels, of which the following is a specification.

My invention relates to collapsible corebarrels, and has for its object to provide a simple, strong, and easily-manipulated device all the parts of which are capable of enduring great heat, standing rough handling, and being easily replaced. This 'object I accomplish in the manner and by the means hereinafter more fully described, and pointed out in detail in the claims, reference being had to the accompanying drawings, in which like reference-letters indicate like parts in all the figures.

Figure 1 is a side elevation of my invention in operative form. Fig. 2 is a top plan view of the center piece of my invention. Fig. 3 is a top plan view of one of the side pieces of my invention. Fig. 4 is a longitudinal section of my invention along the line Fig. 5. Fig. 5 is a cross-section of my invention on the line y y of Fig. l.

My invention consists of a core-barrel A of three parts. The center part B is of wrought or cast iron and may be solid or hollow and vmay have a continuous surface or only a skeleton frame. Said center part B has two of its sides opposite one to the other oval in form, while the other two sides are flat. The ends of said center part B are reduced in size and round and provided with means for securing a purchase on said center part B. At the lower end of said center part B, on each of theL flat sides, is pivotally secured a latch b, equal in width to the flat side of said center part B and when raised equal in height to the thickness of the side pieces C C and arranged to stand out at right angles to said flat side or lie flat against it pointing downward. At the upper end of said center part B, on each of the iiat sides, is rigidly fixed a wedgeshaped lug b', its large end toward the top, said large end being equal in width to said iiat side and in height to the thickness of the side pieces C C. Along said liat sides are holes b2 b? b2, three on each side, in which holes wooden pegs b3 b3 b3 are inserted, and wooden strips D D, equal in width to said dat sides and in thickness to the thickness of the side pieces C C, are secured to said pegs b3 h3 b3 by nails. Through said center part B, from one oval side to the other at a short distance from the upper end of said center viron or other suitable material, are hollow segmental cylindrical sections, and when joined make a cylinder the diameter of which just equals the greatest width of the center part B. The side pieces C C may be perforated, if desired. The side pieces C C have secured to their inner surfaces two chains c c, which chains pass through the rectangular holes h4 b5 inthe center part B and connect said side pieces C C together. The side pieces C C also have attached to their inner surfaces, opposite the recesses b b o, inclined lugs c c c'. The side pieces C C have holes c2 c2, which register with a hole o7 in the center piece B near the top when the core-barrel A is ready for use and through which holes o7 o2 c2 a pin c3 passes, holding the whole in place.

The mode of operation of my improved collapsible core-barrel is as follows: Wooden strips D D, equal in width to the flat sides of the center part B of the core-barrel A and in thickness to the thickness of the side pieces C C, are first nailed to the wooden pegs b3 h3 b3 on each side of said center part B. The latches b b are turned up between the lower ends of the side pieces CCto keep them from binding against said wooden strips D D. 'The pin c5 is now pnt through the holes o7 c2 c2 near the top of said center part B and said side pieces C C,and the core-barrel A is ready for use. The core-barrel is now given a coating of clay or other suitable material, which of course fills all the cracks and crevices, including those just above the latches Z1 b. When the casting is made, the molten iron burns out the wooden strips, and after withdrawing the pin c3 the center part B is lifted, the chains c c come in contact with the lower part of the rectangular holes b4 b5, and the wedge -shaped lugs b b having been lifted out of the opening between the upper ends of the side pieces C C and the latches b b having been pressed down by the clay or other substance used and packed above said latches l) b the side pieces C C are drawn together, shortening the diameter of the cylinder. The inclined lugs c c c enter the recesses h6 Z9 D and, engaging with the said recesses bf h6 b, draw the corebarrel out.

I-Iaving thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. In a collapsible core-barrel having a center piece provided on two of its sides with wedge-shaped lugs near the top and with pivoted latches near the bottom and on the other two sides with recesses, two side pieces, each a hollow segmental cylindrical section equal in diameter to the greatest width of the center piece and provided on its inner surface with inclined lugs adapted to enter recesses in said center piece complementary to said lugs when the core barrel is collapsed, and means connecting said side pieces, substantially as shown and described.

2. In a collapsible core-barrel consisting of two side pieces arranged with an opening between their edges and a center piece, two strips of wood, equal in width to the opening between said side pieces when in operation and in thickness to the thickness of said side pieces, secured to the center piece 0n opposite sides and between said side pieces, substantially as shown and described.

3. In a collapsible core-barrel `having two side pieces provided with lugs on their inner surfaces and connected by chains, a center piece, oval on two sides and fiat on the other two sides, provided with wedge-shaped lugs at the top of the fiat sides, holes along said iiat sides and latches pivotally secured at the bottom of said flat sides, and rectangular holes through the oval sides through which the chains connecting the side pieces pass, and recesses in said oval sides adapted to receive the lugs on said side pieces, a hole near the top which registers with like holes in said side pieces, and a pin adapted to pass through said holes and bind the whole together, substantially as shown and described.

4. A collapsible core-barrel consisting of three parts, a center piece having two oval and two iiat sides, wedge-shaped lugs at the upper ends of said flat sides, holes at intervals along said iiat sides, latches at the lower ends of said iiat sides pivotally secured thereto, rectangular holes through the oval sides one near the top and the other near the bottom, recesses on the oval sides, and a hole near the top of said center piece and two side pieces, each a hollow segmental cylindrical section of a diameter equal to the greatest width of the center piece, furnished on the inner surface with lugs adapted to engage the recesses on the center piece, provided near the top with holes which register with the hole near the top of the center piece and connected by two chains secured to their inner surfaces and passing through the rectangular holes on the center piece and a pin adapted to pass through the hole near the top of the center piece and corresponding holes in side pieces, substantially as shown and described.

5. A collapsible core-barrel consisting of a center piece having two oval and two flat sides, wedge-shaped lugs at the upper ends of said flat sides, holes along said fiat sides, latches pivotally secured to the lower ends of said iiat sides,rectangular holes through the oval sides, one near the top and the other near the bottom, recesses in said oval sides and a hole near the upper end of said centerpiece,wooden pegs fitting in said holes in said flat sides, and wooden strips secured t0 said wooden pegs, and of two side pieces, each a hollow segmen` tal cylindrical section of a diameter equal to the greatest width of said center piece, said side pieces being connected by chains passing through the rectangular holes in said center piece, having lugs on their inner surfaces adapted to enter and engage the recesses in said center piece when the core-barrel is collapsed and having holes near the top which holes register with the hole near the top of said center piece when the core-barrel is ready for use, and a pin adapted to pass through said holes, substantially as shown and described.

In testimony whereof I hereto affix my signature in the presence of two witnesses.

THOMAS E. MORRIS.

IVitnesses:

WILL A. BEERs, HENDERSON McCUNE.

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